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181330b4ab
Introduce a read_epoch to be used during the handshake. Increment that, when the ccs is handled. Drop received none matching records. Signed-off-by: Achim Kraus <achim.kraus@bosch.io>
61 lines
2.0 KiB
C
61 lines
2.0 KiB
C
/*******************************************************************************
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*
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* Copyright (c) 2011, 2012, 2013, 2014, 2015 Olaf Bergmann (TZI) and others.
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* All rights reserved. This program and the accompanying materials
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* are made available under the terms of the Eclipse Public License v1.0
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* and Eclipse Distribution License v. 1.0 which accompanies this distribution.
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*
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* The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
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* and the Eclipse Distribution License is available at
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* http://www.eclipse.org/org/documents/edl-v10.php.
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*
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* Contributors:
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* Olaf Bergmann - initial API and implementation
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* Hauke Mehrtens - memory optimization, ECC integration
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*
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*******************************************************************************/
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/**
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* @file state.h
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* @brief state information for DTLS FSM
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*/
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#ifndef _DTLS_STATE_H_
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#define _DTLS_STATE_H_
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#include <sys/types.h>
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#include <stdint.h>
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#include "global.h"
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#include "hmac.h"
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typedef enum {
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DTLS_STATE_INIT = 0, DTLS_STATE_WAIT_CLIENTHELLO, DTLS_STATE_WAIT_CLIENTCERTIFICATE,
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DTLS_STATE_WAIT_CLIENTKEYEXCHANGE, DTLS_STATE_WAIT_CERTIFICATEVERIFY,
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DTLS_STATE_WAIT_CHANGECIPHERSPEC,
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DTLS_STATE_WAIT_FINISHED, DTLS_STATE_FINISHED,
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/* client states */
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DTLS_STATE_CLIENTHELLO, DTLS_STATE_WAIT_SERVERCERTIFICATE, DTLS_STATE_WAIT_SERVERKEYEXCHANGE,
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DTLS_STATE_WAIT_SERVERHELLODONE,
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DTLS_STATE_CONNECTED,
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DTLS_STATE_CLOSING,
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DTLS_STATE_CLOSED
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} dtls_state_t;
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typedef struct {
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uint16_t mseq_s; /**< send handshake message sequence number counter */
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uint16_t mseq_r; /**< received handshake message sequence number counter */
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uint16_t read_epoch; /**< handshake's current read epoch */
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/** pending config that is updated during handshake */
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/* FIXME: dtls_security_parameters_t pending_config; */
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/* temporary storage for the final handshake hash */
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dtls_hash_ctx hs_hash;
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/* temporary storage for the extended master secret handshake hash */
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dtls_hash_ctx ext_hash;
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} dtls_hs_state_t;
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#endif /* _DTLS_STATE_H_ */
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